Home / 1,508,309.52-2,080,878.18-863,385.06

Finding the Fourth Proportional to 1,508,309.52, 2,080,878.18 and 863,385.06

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Solution

The fourth proportional to 1,508,309.52, 2,080,878.18 and 863,385.06 is: 1,191,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,309.52 : 2,080,878.18 = 863,385.06 : x
  2. Step 2: Convert to fraction form
    1,508,309.52/2,080,878.18 = 863,385.06/x
  3. Step 3: Cross multiply
    1,508,309.52x = 2,080,878.18 × 863,385.06
  4. Step 4: Simplify right side
    1,508,309.52x = 1,796,599,132,291.99
  5. Step 5: Solve for x
    x = 1,796,599,132,291.99/1,508,309.52
  6. Step 6: Final answer
    x = 1,191,134.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.